/*
 *  Copyright 2010 Yuri Kanivets
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.weipu.widget;

/**
 * The simple Array wheel adapter
 * @param <T> the element type
 */
public class ArrayWheelAdapter<T> implements WheelAdapter
{
    
    /** The default items length */
    public static final int DEFAULT_LENGTH = -1;
    
    // items
    private T items[];
    
    // length
    private int length;
    
    /**
     * Constructor
     * @param items the items
     * @param length the max items length
     */
    public ArrayWheelAdapter(T items[], int length)
    {
        this.items = items;
        this.length = length;
    }
    
    /**
     * Contructor
     * @param items the items
     */
    public ArrayWheelAdapter(T items[])
    {
        this(items, DEFAULT_LENGTH);
    }
    
    public String getItem(int index)
    {
        if (index >= 0 && index < items.length)
        {
            return items[index].toString();
        }
        else
        {
            
            return null;
        }
    }
    
    public int getItemsCount()
    {
        return items.length;
    }
    
    public int getMaximumLength()
    {
        return length;
    }
    
}
